Siemens Disconnecting Circuit Breakers (DCB)- Air Insulated Switchgear

SIEMENS DISCONNECTING CIRCUIT BREAKERS (DCB)- AIR INSULATED SWITCHGEAR

Siemens has developed a device in which the isolating distance has been integrated in the SF6 gas compartment in order to reduce external environmental influences. Siemens Disconnecting Circuit Breakers DCB  are used as the circuit breaker and also as a disconnectors – two functions combined in one device. An additional air-insulated earthing switch can be mounted onto the supporting structure for voltages up to 145 kV.

Our DCB combines the strengths of our proven product portfolio. This innovative device saves space and cuts costs while offering the highest reliability and safety.

Main features:

Combination of circuit breaker and disconnector in one device

No visible opening distance due to the SF6-insulated disconnector function

Compact mechanical interlock which guarantees that the circuit breaker stays in the open position when used as a disconnector

Position indicators for monitoring

Optional air-insulated earthing switch (up to 145 kV)

Siemens Disconnecting Circuit Breakers Advantages:

Highest reliability by applying well-proven and established components from Siemens circuit breakers and earthing switches

Highest availability due to reduced maintenance interruptions

Cost- and space-saving solution by combining two devices into one

Minimized costs for transportation, maintenance, installation and commissioning, as well as civil engineering work

Compact and intelligent interlocking and position indicating device for greater safety

From a single source: documentation and technical support, assembly and installation, customer training, 24-hour service

Siemens Transmission Products – Leader in innovations with comprehensive, connective and sustainable portfolio

Transmission products play a vital role in the energy value chain. Siemens Transmission Products provides all key elements including power transformers and distribution transformers as well as gas-insulated and air-insulated switchgear and components. Products are offered individually, bundled or with related engineering upgrade to systems. Our products offer low life cycle costs with maximum availability, highest efficiency and short commissioning times.

We are driving technology innovations not only regarding the performance of transmission products but also in the area of sustainability and eco efficiency. By merging physics and data we enable new products and applications: Sensformer® and Sensgear®. With our global factory network and leading innovations we provide the highest level of quality and reliability to our customers: TSOs, DSOs, power producers, EPCs and industrial companies.

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